1. Who invented Radiocarbon ?

Answer:

Willard Libby

2. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

3. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

4. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

5. Who invented paper ?

Answer:

Cai Lun

6. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

7. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805